For many Americans, installing a heat pump to heat and cool a home can lower household bills in addition to reducing emissions. But in some places, that financial advantage has a big weak spot: winter ...

This resistive heat draws energy from the battery, meaning cold weather range can be severely reduced for electric cars, unlike heating a gasoline power car. The Tesla Model Y has a clever trick to ...

Most people think Tesla’s biggest innovations are about speed, range, or cool tech. They’re wrong. Behind each decision is a survival strategy shaped by supply shortages, energy limits, and brutal ...